@RichT Thanks so much for your quick reply. I have done exactly that and it is none of them! I can't quite figure out why. I am starting to think there is some other setting on the WD itself, and I...

I wondered if anyone could help. I have just configured my Deco E3 kit - all working fine, except for my WD My Cloud NAS Box I have plugged it in to port 2 of the main Deco unit, and it connects...